Home / 3,255.17-4,490.48-2,135.95

Finding the Fourth Proportional to 3,255.17, 4,490.48 and 2,135.95

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Solution

The fourth proportional to 3,255.17, 4,490.48 and 2,135.95 is: 2,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,255.17 : 4,490.48 = 2,135.95 : x
  2. Step 2: Convert to fraction form
    3,255.17/4,490.48 = 2,135.95/x
  3. Step 3: Cross multiply
    3,255.17x = 4,490.48 × 2,135.95
  4. Step 4: Simplify right side
    3,255.17x = 9,591,434.87
  5. Step 5: Solve for x
    x = 9,591,434.87/3,255.17
  6. Step 6: Final answer
    x = 2,946.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.